| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <hidl/HidlPassthroughSupport.h> |
| |
| #include <hidl/HidlTransportUtils.h> |
| #include <hidl/Static.h> |
| |
| using ::android::hidl::base::V1_0::IBase; |
| |
| namespace android { |
| namespace hardware { |
| namespace details { |
| |
| sp<IBase> wrapPassthroughInternal(sp<IBase> iface) { |
| if (iface == nullptr || iface->isRemote()) { |
| // doesn't know how to handle it. |
| return iface; |
| } |
| std::string myDescriptor = getDescriptor(iface.get()); |
| if (myDescriptor.empty()) { |
| // interfaceDescriptor fails |
| return nullptr; |
| } |
| auto func = getBsConstructorMap().get(myDescriptor, nullptr); |
| if (!func) { |
| func = gBsConstructorMap.get(myDescriptor, nullptr); |
| if (!func) { |
| return nullptr; |
| } |
| } |
| |
| sp<IBase> base = func(static_cast<void*>(iface.get())); |
| |
| // To ensure this is an instance of IType, we would normally |
| // call castFrom, but gBsConstructorMap guarantees that its |
| // result is of the appropriate type (not necessaryly BsType, |
| // but definitely a child of IType). |
| return base; |
| } |
| |
| } // namespace details |
| } // namespace hardware |
| } // namespace android |